Status cmpAB(int *a,int *b,int lena,int lenb)
{
	int st;
	int len;

	if(lena >= lenb)
	{
		st = 1;
		len = lenb;
	}
	else
	{
		st = 2;
		len = lena;
	}

	for(i = 0;i < len;i++)
	{
		if(a[i] > b[i])
			return 1;
		else if(a[i] < b[i])
			return 2;
	}
}
